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/*
* Copyright (c) 2014 The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef QHDMI_CEC_H
#define QHDMI_CEC_H
#include <hardware/hdmi_cec.h>
#include <utils/RefBase.h>
namespace qClient {
class QHDMIClient;
};
namespace qhdmicec {
#define SYSFS_BASE "/sys/class/graphics/fb"
#define MAX_PATH_LENGTH 128
struct cec_callback_t {
// Function in HDMI service to call back on CEC messages
event_callback_t callback_func;
// This stores the object to pass back to the framework
void* callback_arg;
};
struct cec_context_t {
hdmi_cec_device_t device; // Device for HW module
cec_callback_t callback; // Struct storing callback object
bool enabled;
bool arc_enabled;
bool system_control; // If true, HAL/driver handle CEC messages
int fb_num; // Framebuffer node for HDMI
char fb_sysfs_path[MAX_PATH_LENGTH];
hdmi_port_info *port_info; // HDMI port info
// Logical address is stored in an array, the index of the array is the
// logical address and the value in the index shows whether it is set or not
int logical_address[CEC_ADDR_BROADCAST];
int version;
uint32_t vendor_id;
android::sp<qClient::QHDMIClient> disp_client;
};
void cec_receive_message(cec_context_t *ctx, char *msg, ssize_t len);
void cec_hdmi_hotplug(cec_context_t *ctx, int connected);
}; //namespace
#endif /* end of include guard: QHDMI_CEC_H */
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